ref: fb39c3a70eb3183dc2b1dd19fe03f2f0dfa9baca
dir: /test/link/section-union/different-size.out/
error: Section "different section sizes" is of type ROM0, which cannot be unionized --- ERROR: <stdin>(16): Cannot declare ROM sections as UNION FATAL: <stdin>(16): Cannot create section "different section sizes" (1 errors)